Some of the most active companies traded Tuesday on the Toronto Stock Exchange:Toronto Stock Exchange (16,159.50, down 47.82 points).RNC Minerals. (TSX:RNX). Metals. Down 41 cents, or 35.65 per cent, to 74 cents on 64.1 million shares.Aurora Cannabis Inc. (TSX:ACB). Healthcare. Up 50 cents, or 4.07 per cent, to $12.77 on 53 million shares.Baytex Energy Corp. (TSX:BTE). Energy. Down two cents, or 0.52 per cent, to $3.81 on 8.7 million shares.Wallbridge Mining Co. Ltd. (TSX:WM). Metals. Up two cents, or 6.67 per cent, to 32 cents on 8.1 million shares.Aphria Inc. (TSX:APH). Healthcare. Down 38 cents, or 1.91 per cent, to $19.54 on 7.3 million shares.First Quantum Minerals Ltd. (TSX:FM). Base metals. Down 24 cents, or 1.5 per cent, to $15.72 on 7.3 million shares.Companies reporting major news:Transat A.T. (TSX:TRZ). Down 10 cents or 1.27 per cent to $7.77. The travel company has taken its first concrete step toward getting shovels in the sand on its $750-million plan develop a hotel chain in the Riviera Maya and the Caribbean, announcing a deal Tuesday to buy land on Mexico’s Yucatan Peninsula. Transat said it aims to build a beach resort on a newly purchased lot in the village of Puerto Morelos — less than 40 kilometres from Cancun — and on an adjacent property, for which it has signed a promissory agreement. The combined deal would cost between US$54 million and US$57 million, Transat said.Shopify Inc. (TSX:SHOP). Down $1.19 or 0.57 per cent to $208.45. The founder of Shopify says Canada shouldn’t be too quick to celebrate when U.S. technology giants head north of the border. Tobi Lutke outlined his frustration at how Canadian talent and intellectual property seeps out of the country in a Tuesday interview with The Canadian Press, where he touched on the dangers of U.S. technology brands starting up branch offices in Canada.Aurora Cannabis. Inc. (TSX:ACB). Up 50 cents or 4.1 per cent to $12.77. The licensed marijuana producer says it is “more than ready” for the legalization of recreational pot next month, with enough supply to meet all its commitments to provinces and territories. Aurora’s chief corporate officer Cam Battley also says the cannabis firm doesn’t expect to need supply agreements with other licensed producers to bridge inventory gaps. Canada officially legalizes recreational cannabis for adult use on Oct. 17.